The NOA certifies that Bilco’s standard Type S and NB steel and aluminum roof hatches conform to high-velocity hurricane zone standards in Miami-Dade County in Florida.

Doors and windows for all your projects 

Mike Schweiss of Schweiss Bi-Fold Doors talks about consumer considerations when purchasing bi-fold doors.

Good ventilation is a complex and crucial aspect of keeping horses healthy. It's a farm more complicated issue than meets the eye. Dr. Eileen Wheeler of Penn State University talks about the ins and outs of horse barn ventilation.

A handy checklist for proper horse barn ventilation, excerpted from "Horse Stable Ventilation," a publication by Dr. Eileen Wheeler, Penn State University.